<?php
/**
 * A class for reading Microsoft Excel (97/2003) Spreadsheets.
 *
 * Version 2.22
 *
 * Enhanced and maintained by Alex Frenkel < excell2@frenkel-online.com >
 * Maintained at http://code.google.com/p/php-excel-reader2/
 *
 * Previosly mantained by Matt Kruse < http://mattkruse.com >
 * Maintained at http://code.google.com/p/php-excel-reader/
 *
 * Format parsing and MUCH more contributed by:
 *    Matt Roxburgh < http://www.roxburgh.me.uk >
 *
 * DOCUMENTATION
 * =============
 *   http://code.google.com/p/php-excel-reader2/wiki/Documentation
 *
 * CHANGE LOG
 * ==========
 *   http://code.google.com/p/php-excel-reader2/wiki/ChangeHistory
 *
 *
 * --------------------------------------------------------------------------
 *
 * Originally developed by Vadim Tkachenko under the name PHPExcelReader.
 * (http://sourceforge.net/projects/phpexcelreader)
 * Based on the Java version by Andy Khan (http://www.andykhan.com).  Now
 * maintained by David Sanders.  Reads only Biff 7 and Biff 8 formats.
 *
 * PHP versions 4 and 5
 *
 * LICENSE: This source file is subject to version 3.0 of the PHP license
 * that is available through the world-wide-web at the following URI:
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
 * the PHP License and are unable to obtain it through the web, please
 * send a note to license@php.net so we can mail you a copy immediately.
 *
 * @category   Spreadsheet
 * @package	Spreadsheet_Excel_Reader
 * @author	 Vadim Tkachenko <vt@apachephp.com>
 * @license	http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version	CVS: $Id: reader.php 19 2007-03-13 12:42:41Z shangxiao $
 * @link	   http://pear.php.net/package/Spreadsheet_Excel_Reader
 * @see		OLE, Spreadsheet_Excel_Writer
 * --------------------------------------------------------------------------
 */

define ( 'NUM_BIG_BLOCK_DEPOT_BLOCKS_POS', 0x2c );
define ( 'SMALL_BLOCK_DEPOT_BLOCK_POS', 0x3c );
define ( 'ROOT_START_BLOCK_POS', 0x30 );
define ( 'BIG_BLOCK_SIZE', 0x200 );
define ( 'SMALL_BLOCK_SIZE', 0x40 );
define ( 'EXTENSION_BLOCK_POS', 0x44 );
define ( 'NUM_EXTENSION_BLOCK_POS', 0x48 );
define ( 'PROPERTY_STORAGE_BLOCK_SIZE', 0x80 );
define ( 'BIG_BLOCK_DEPOT_BLOCKS_POS', 0x4c );
define ( 'SMALL_BLOCK_THRESHOLD', 0x1000 );
// property storage offsets
define ( 'SIZE_OF_NAME_POS', 0x40 );
define ( 'TYPE_POS', 0x42 );
define ( 'START_BLOCK_POS', 0x74 );
define ( 'SIZE_POS', 0x78 );
define ( 'IDENTIFIER_OLE', pack ( "CCCCCCCC", 0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, 0x1a, 0xe1 ) );

function GetInt4d($data, $pos) {
	$value = ord ( $data [$pos] ) | (ord ( $data [$pos + 1] ) << 8) | (ord ( $data [$pos + 2] ) << 16) | (ord ( $data [$pos + 3] ) << 24);
	if ($value >= 4294967294) {
		$value = - 2;
	}
	return $value;
}

// http://uk.php.net/manual/en/function.getdate.php
function gmgetdate($ts = null) {
	$k = array ('seconds', 'minutes', 'hours', 'mday', 'wday', 'mon', 'year', 'yday', 'weekday', 'month', 0 );
	return (array_comb ( $k, explode ( ":", gmdate ( 's:i:G:j:w:n:Y:z:l:F:U', is_null ( $ts ) ? time () : $ts ) ) ));
}

// Added for PHP4 compatibility
function array_comb($array1, $array2) {
	$out = array ();
	foreach ( $array1 as $key => $value ) {
		$out [$value] = $array2 [$key];
	}
	return $out;
}

function v($data, $pos) {
	return ord ( $data [$pos] ) | ord ( $data [$pos + 1] ) << 8;
}

class OLERead {
	var $data = '';
	function OLERead() {
	}
	
	function read($sFileName) {
		// check if file exist and is readable (Darko Miljanovic)
		if (! is_readable ( $sFileName )) {
			$this->error = 1;
			return false;
		}
		$this->data = @file_get_contents ( $sFileName );
		if (! $this->data) {
			$this->error = 1;
			return false;
		}
		if (substr ( $this->data, 0, 8 ) != IDENTIFIER_OLE) {
			$this->error = 1;
			return false;
		}
		$this->numBigBlockDepotBlocks = GetInt4d ( $this->data, NUM_BIG_BLOCK_DEPOT_BLOCKS_POS );
		$this->sbdStartBlock = GetInt4d ( $this->data, SMALL_BLOCK_DEPOT_BLOCK_POS );
		$this->rootStartBlock = GetInt4d ( $this->data, ROOT_START_BLOCK_POS );
		$this->extensionBlock = GetInt4d ( $this->data, EXTENSION_BLOCK_POS );
		$this->numExtensionBlocks = GetInt4d ( $this->data, NUM_EXTENSION_BLOCK_POS );
		
		$bigBlockDepotBlocks = array ();
		$pos = BIG_BLOCK_DEPOT_BLOCKS_POS;
		$bbdBlocks = $this->numBigBlockDepotBlocks;
		if ($this->numExtensionBlocks != 0) {
			$bbdBlocks = (BIG_BLOCK_SIZE - BIG_BLOCK_DEPOT_BLOCKS_POS) / 4;
		}
		
		for($i = 0; $i < $bbdBlocks; $i ++) {
			$bigBlockDepotBlocks [$i] = GetInt4d ( $this->data, $pos );
			$pos += 4;
		}
		
		for($j = 0; $j < $this->numExtensionBlocks; $j ++) {
			$pos = ($this->extensionBlock + 1) * BIG_BLOCK_SIZE;
			$blocksToRead = min ( $this->numBigBlockDepotBlocks - $bbdBlocks, BIG_BLOCK_SIZE / 4 - 1 );
			
			for($i = $bbdBlocks; $i < $bbdBlocks + $blocksToRead; $i ++) {
				$bigBlockDepotBlocks [$i] = GetInt4d ( $this->data, $pos );
				$pos += 4;
			}
			
			$bbdBlocks += $blocksToRead;
			if ($bbdBlocks < $this->numBigBlockDepotBlocks) {
				$this->extensionBlock = GetInt4d ( $this->data, $pos );
			}
		}
		
		// readBigBlockDepot
		$pos = 0;
		$index = 0;
		$this->bigBlockChain = array ();
		
		for($i = 0; $i < $this->numBigBlockDepotBlocks; $i ++) {
			$pos = ($bigBlockDepotBlocks [$i] + 1) * BIG_BLOCK_SIZE;
			//echo "pos = $pos";
			for($j = 0; $j < BIG_BLOCK_SIZE / 4; $j ++) {
				$this->bigBlockChain [$index] = GetInt4d ( $this->data, $pos );
				$pos += 4;
				$index ++;
			}
		}
		
		// readSmallBlockDepot();
		$pos = 0;
		$index = 0;
		$sbdBlock = $this->sbdStartBlock;
		$this->smallBlockChain = array ();
		
		while ( $sbdBlock != - 2 ) {
			$pos = ($sbdBlock + 1) * BIG_BLOCK_SIZE;
			for($j = 0; $j < BIG_BLOCK_SIZE / 4; $j ++) {
				$this->smallBlockChain [$index] = GetInt4d ( $this->data, $pos );
				$pos += 4;
				$index ++;
			}
			$sbdBlock = $this->bigBlockChain [$sbdBlock];
		}
		
		// readData(rootStartBlock)
		$block = $this->rootStartBlock;
		$pos = 0;
		$this->entry = $this->__readData ( $block );
		$this->__readPropertySets ();
	}
	
	function __readData($bl) {
		$block = $bl;
		$pos = 0;
		$data = '';
		while ( $block != - 2 ) {
			$pos = ($block + 1) * BIG_BLOCK_SIZE;
			$data = $data . substr ( $this->data, $pos, BIG_BLOCK_SIZE );
			$block = $this->bigBlockChain [$block];
		}
		return $data;
	}
	
	function __readPropertySets() {
		$offset = 0;
		while ( $offset < strlen ( $this->entry ) ) {
			$d = substr ( $this->entry, $offset, PROPERTY_STORAGE_BLOCK_SIZE );
			$nameSize = ord ( $d [SIZE_OF_NAME_POS] ) | (ord ( $d [SIZE_OF_NAME_POS + 1] ) << 8);
			$type = ord ( $d [TYPE_POS] );
			$startBlock = GetInt4d ( $d, START_BLOCK_POS );
			$size = GetInt4d ( $d, SIZE_POS );
			$name = '';
			for($i = 0; $i < $nameSize; $i ++) {
				$name .= $d [$i];
			}
			$name = str_replace ( "\x00", "", $name );
			$this->props [] = array ('name' => $name, 'type' => $type, 'startBlock' => $startBlock, 'size' => $size );
			if ((strtolower ( $name ) == "workbook") || (strtolower ( $name ) == "book")) {
				$this->wrkbook = count ( $this->props ) - 1;
			}
			if ($name == "Root Entry") {
				$this->rootentry = count ( $this->props ) - 1;
			}
			$offset += PROPERTY_STORAGE_BLOCK_SIZE;
		}
	
	}
	
	function getWorkBook() {
		if ($this->props [$this->wrkbook] ['size'] < SMALL_BLOCK_THRESHOLD) {
			$rootdata = $this->__readData ( $this->props [$this->rootentry] ['startBlock'] );
			$streamData = '';
			$block = $this->props [$this->wrkbook] ['startBlock'];
			$pos = 0;
			while ( $block != - 2 ) {
				$pos = $block * SMALL_BLOCK_SIZE;
				$streamData .= substr ( $rootdata, $pos, SMALL_BLOCK_SIZE );
				$block = $this->smallBlockChain [$block];
			}
			return $streamData;
		} else {
			$numBlocks = $this->props [$this->wrkbook] ['size'] / BIG_BLOCK_SIZE;
			if ($this->props [$this->wrkbook] ['size'] % BIG_BLOCK_SIZE != 0) {
				$numBlocks ++;
			}
			
			if ($numBlocks == 0)
				return '';
			$streamData = '';
			$block = $this->props [$this->wrkbook] ['startBlock'];
			$pos = 0;
			while ( $block != - 2 ) {
				$pos = ($block + 1) * BIG_BLOCK_SIZE;
				$streamData .= substr ( $this->data, $pos, BIG_BLOCK_SIZE );
				$block = $this->bigBlockChain [$block];
			}
			return $streamData;
		}
	}

}

define ( 'SPREADSHEET_EXCEL_READER_BIFF8', 0x600 );
define ( 'SPREADSHEET_EXCEL_READER_BIFF7', 0x500 );
define ( 'SPREADSHEET_EXCEL_READER_WORKBOOKGLOBALS', 0x5 );
define ( 'SPREADSHEET_EXCEL_READER_WORKSHEET', 0x10 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_BOF', 0x809 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_EOF', 0x0a );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_BOUNDSHEET', 0x85 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_DIMENSION', 0x200 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_ROW', 0x208 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_DBCELL', 0xd7 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_FILEPASS', 0x2f );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_NOTE', 0x1c );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_TXO', 0x1b6 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_RK', 0x7e );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_RK2', 0x27e );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_MULRK', 0xbd );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_MULBLANK', 0xbe );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_INDEX', 0x20b );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_SST', 0xfc );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_EXTSST', 0xff );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_CONTINUE', 0x3c );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_LABEL', 0x204 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_LABELSST', 0xfd );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_NUMBER', 0x203 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_NAME', 0x18 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_ARRAY', 0x221 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_STRING', 0x207 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_FORMULA', 0x406 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_FORMULA2', 0x6 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_FORMAT', 0x41e );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_XF', 0xe0 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_BOOLERR', 0x205 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_FONT', 0x0031 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_PALETTE', 0x0092 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_UNKNOWN', 0xffff );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_NINETEENFOUR', 0x22 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_MERGEDCELLS', 0xE5 );
define ( 'SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS', 25569 );
define ( 'SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS1904', 24107 );
define ( 'SPREADSHEET_EXCEL_READER_MSINADAY', 86400 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_HYPER', 0x01b8 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_COLINFO', 0x7d );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_DEFCOLWIDTH', 0x55 );
define ( 'SPREADSHEET_EXCEL_READER_TYPE_STANDARDWIDTH', 0x99 );
define ( 'SPREADSHEET_EXCEL_READER_DEF_NUM_FORMAT', "%s" );

/*
* Main Class
*/
class Spreadsheet_Excel_Reader {
	
	// MK: Added to make data retrieval easier
	var $colnames = array ();
	var $colindexes = array ();
	var $standardColWidth = 0;
	var $defaultColWidth = 0;
	
	function myHex($d) {
		if ($d < 16)
			return "0" . dechex ( $d );
		return dechex ( $d );
	}
	
	function dumpHexData($data, $pos, $length) {
		$info = "";
		for($i = 0; $i <= $length; $i ++) {
			$info .= ($i == 0 ? "" : " ") . $this->myHex ( ord ( $data [$pos + $i] ) ) . (ord ( $data [$pos + $i] ) > 31 ? "[" . $data [$pos + $i] . "]" : '');
		}
		return $info;
	}
	
	function getCol($col) {
		if (is_string ( $col )) {
			$col = strtolower ( $col );
			if (array_key_exists ( $col, $this->colnames )) {
				$col = $this->colnames [$col];
			}
		}
		return $col;
	}
	
	// PUBLIC API FUNCTIONS
	// --------------------
	

	function val($row, $col, $sheet = 0) {
		$col = $this->getCol ( $col );
		if (array_key_exists ( $row, $this->sheets [$sheet] ['cells'] ) && array_key_exists ( $col, $this->sheets [$sheet] ['cells'] [$row] )) {
			return $this->sheets [$sheet] ['cells'] [$row] [$col];
		}
		return "";
	}
	function value($row, $col, $sheet = 0) {
		return $this->val ( $row, $col, $sheet );
	}
	function info($row, $col, $type = '', $sheet = 0) {
		$col = $this->getCol ( $col );
		if (array_key_exists ( 'cellsInfo', $this->sheets [$sheet] ) && array_key_exists ( $row, $this->sheets [$sheet] ['cellsInfo'] ) && array_key_exists ( $col, $this->sheets [$sheet] ['cellsInfo'] [$row] ) && array_key_exists ( $type, $this->sheets [$sheet] ['cellsInfo'] [$row] [$col] )) {
			return $this->sheets [$sheet] ['cellsInfo'] [$row] [$col] [$type];
		}
		return "";
	}
	function type($row, $col, $sheet = 0) {
		return $this->info ( $row, $col, 'type', $sheet );
	}
	function raw($row, $col, $sheet = 0) {
		return $this->info ( $row, $col, 'raw', $sheet );
	}
	function rowspan($row, $col, $sheet = 0) {
		$val = $this->info ( $row, $col, 'rowspan', $sheet );
		if ($val == "") {
			return 1;
		}
		return $val;
	}
	function colspan($row, $col, $sheet = 0) {
		$val = $this->info ( $row, $col, 'colspan', $sheet );
		if ($val == "") {
			return 1;
		}
		return $val;
	}
	function hyperlink($row, $col, $sheet = 0) {
		$link = $this->sheets [$sheet] ['cellsInfo'] [$row] [$col] ['hyperlink'];
		if ($link) {
			return $link ['link'];
		}
		return '';
	}
	function rowcount($sheet = 0) {
		return $this->sheets [$sheet] ['numRows'];
	}
	function colcount($sheet = 0) {
		return $this->sheets [$sheet] ['numCols'];
	}
	function colwidth($col, $sheet = 0) {
		// Col width is actually the width of the number 0. So we have to estimate and come close
		return $this->colInfo [$sheet] [$col] ['width'] / 9142 * 200;
	}
	function colhidden($col, $sheet = 0) {
		return ! ! $this->colInfo [$sheet] [$col] ['hidden'];
	}
	function rowheight($row, $sheet = 0) {
		return $this->rowInfo [$sheet] [$row] ['height'];
	}
	function rowhidden($row, $sheet = 0) {
		return ! ! $this->rowInfo [$sheet] [$row] ['hidden'];
	}
	
	// GET THE CSS FOR FORMATTING
	// ==========================
	function style($row, $col, $sheet = 0, $properties = '') {
		$css = "";
		$font = $this->font ( $row, $col, $sheet );
		if ($font != "") {
			$css .= "font-family:$font;";
		}
		$align = $this->align ( $row, $col, $sheet );
		if ($align != "") {
			$css .= "text-align:$align;";
		}
		$height = $this->height ( $row, $col, $sheet );
		if ($height != "") {
			$css .= "font-size:$height" . "px;";
		}
		$bgcolor = $this->bgColor ( $row, $col, $sheet );
		if ($bgcolor != "") {
			$bgcolor = $this->colors [$bgcolor];
			$css .= "background-color:$bgcolor;";
		}
		$color = $this->color ( $row, $col, $sheet );
		if ($color != "") {
			$css .= "color:$color;";
		}
		$bold = $this->bold ( $row, $col, $sheet );
		if ($bold) {
			$css .= "font-weight:bold;";
		}
		$italic = $this->italic ( $row, $col, $sheet );
		if ($italic) {
			$css .= "font-style:italic;";
		}
		$underline = $this->underline ( $row, $col, $sheet );
		if ($underline) {
			$css .= "text-decoration:underline;";
		}
		// Borders
		$bLeft = $this->borderLeft ( $row, $col, $sheet );
		$bRight = $this->borderRight ( $row, $col, $sheet );
		$bTop = $this->borderTop ( $row, $col, $sheet );
		$bBottom = $this->borderBottom ( $row, $col, $sheet );
		$bLeftCol = $this->borderLeftColor ( $row, $col, $sheet );
		$bRightCol = $this->borderRightColor ( $row, $col, $sheet );
		$bTopCol = $this->borderTopColor ( $row, $col, $sheet );
		$bBottomCol = $this->borderBottomColor ( $row, $col, $sheet );
		// Try to output the minimal required style
		if ($bLeft != "" && $bLeft == $bRight && $bRight == $bTop && $bTop == $bBottom) {
			$css .= "border:" . $this->lineStylesCss [$bLeft] . ";";
		} else {
			if ($bLeft != "") {
				$css .= "border-left:" . $this->lineStylesCss [$bLeft] . ";";
			}
			if ($bRight != "") {
				$css .= "border-right:" . $this->lineStylesCss [$bRight] . ";";
			}
			if ($bTop != "") {
				$css .= "border-top:" . $this->lineStylesCss [$bTop] . ";";
			}
			if ($bBottom != "") {
				$css .= "border-bottom:" . $this->lineStylesCss [$bBottom] . ";";
			}
		}
		// Only output border colors if there is an actual border specified
		if ($bLeft != "" && $bLeftCol != "") {
			$css .= "border-left-color:" . $bLeftCol . ";";
		}
		if ($bRight != "" && $bRightCol != "") {
			$css .= "border-right-color:" . $bRightCol . ";";
		}
		if ($bTop != "" && $bTopCol != "") {
			$css .= "border-top-color:" . $bTopCol . ";";
		}
		if ($bBottom != "" && $bBottomCol != "") {
			$css .= "border-bottom-color:" . $bBottomCol . ";";
		}
		
		return $css;
	}
	
	// FORMAT PROPERTIES
	// =================
	function format($row, $col, $sheet = 0) {
		return $this->info ( $row, $col, 'format', $sheet );
	}
	function formatIndex($row, $col, $sheet = 0) {
		return $this->info ( $row, $col, 'formatIndex', $sheet );
	}
	function formatColor($row, $col, $sheet = 0) {
		return $this->info ( $row, $col, 'formatColor', $sheet );
	}
	
	// CELL (XF) PROPERTIES
	// ====================
	function xfRecord($row, $col, $sheet = 0) {
		$xfIndex = $this->info ( $row, $col, 'xfIndex', $sheet );
		if ($xfIndex != "") {
			return $this->xfRecords [$xfIndex];
		}
		return null;
	}
	function xfProperty($row, $col, $sheet, $prop) {
		$xfRecord = $this->xfRecord ( $row, $col, $sheet );
		if ($xfRecord != null) {
			return $xfRecord [$prop];
		}
		return "";
	}
	function align($row, $col, $sheet = 0) {
		return $this->xfProperty ( $row, $col, $sheet, 'align' );
	}
	function bgColor($row, $col, $sheet = 0) {
		return $this->xfProperty ( $row, $col, $sheet, 'bgColor' );
	}
	function borderLeft($row, $col, $sheet = 0) {
		return $this->xfProperty ( $row, $col, $sheet, 'borderLeft' );
	}
	function borderRight($row, $col, $sheet = 0) {
		return $this->xfProperty ( $row, $col, $sheet, 'borderRight' );
	}
	function borderTop($row, $col, $sheet = 0) {
		return $this->xfProperty ( $row, $col, $sheet, 'borderTop' );
	}
	function borderBottom($row, $col, $sheet = 0) {
		return $this->xfProperty ( $row, $col, $sheet, 'borderBottom' );
	}
	function borderLeftColor($row, $col, $sheet = 0) {
		return $this->colors [$this->xfProperty ( $row, $col, $sheet, 'borderLeftColor' )];
	}
	function borderRightColor($row, $col, $sheet = 0) {
		return $this->colors [$this->xfProperty ( $row, $col, $sheet, 'borderRightColor' )];
	}
	function borderTopColor($row, $col, $sheet = 0) {
		return $this->colors [$this->xfProperty ( $row, $col, $sheet, 'borderTopColor' )];
	}
	function borderBottomColor($row, $col, $sheet = 0) {
		return $this->colors [$this->xfProperty ( $row, $col, $sheet, 'borderBottomColor' )];
	}
	
	// FONT PROPERTIES
	// ===============
	function fontRecord($row, $col, $sheet = 0) {
		$xfRecord = $this->xfRecord ( $row, $col, $sheet );
		if ($xfRecord != null) {
			$font = $xfRecord ['fontIndex'];
			if ($font != null) {
				return $this->fontRecords [$font];
			}
		}
		return null;
	}
	function fontProperty($row, $col, $sheet = 0, $prop) {
		$font = $this->fontRecord ( $row, $col, $sheet );
		if ($font != null) {
			return $font [$prop];
		}
		return false;
	}
	function fontIndex($row, $col, $sheet = 0) {
		return $this->xfProperty ( $row, $col, $sheet, 'fontIndex' );
	}
	function color($row, $col, $sheet = 0) {
		$formatColor = $this->formatColor ( $row, $col, $sheet );
		if ($formatColor != "") {
			return $formatColor;
		}
		$ci = $this->fontProperty ( $row, $col, $sheet, 'color' );
		return $this->rawColor ( $ci );
	}
	function rawColor($ci) {
		if (($ci != 0x7FFF) && ($ci != '')) {
			return $this->colors [$ci];
		}
		return "";
	}
	function bold($row, $col, $sheet = 0) {
		return $this->fontProperty ( $row, $col, $sheet, 'bold' );
	}
	function italic($row, $col, $sheet = 0) {
		return $this->fontProperty ( $row, $col, $sheet, 'italic' );
	}
	function underline($row, $col, $sheet = 0) {
		return $this->fontProperty ( $row, $col, $sheet, 'under' );
	}
	function height($row, $col, $sheet = 0) {
		return $this->fontProperty ( $row, $col, $sheet, 'height' );
	}
	function font($row, $col, $sheet = 0) {
		return $this->fontProperty ( $row, $col, $sheet, 'font' );
	}
	
	// DUMP AN HTML TABLE OF THE ENTIRE XLS DATA
	// =========================================
	function dump($row_numbers = false, $col_letters = false, $sheet = 0, $table_class = 'excel') {
		$out = "<table class=\"$table_class\" cellspacing=0>";
		if ($col_letters) {
			$out .= "<thead>\n\t<tr>";
			if ($row_numbers) {
				$out .= "\n\t\t<th>&nbsp</th>";
			}
			for($i = 1; $i <= $this->colcount ( $sheet ); $i ++) {
				$style = "width:" . ($this->colwidth ( $i, $sheet ) * 1) . "px;";
				if ($this->colhidden ( $i, $sheet )) {
					$style .= "display:none;";
				}
				$out .= "\n\t\t<th style=\"$style\">" . strtoupper ( $this->colindexes [$i] ) . "</th>";
			}
			$out .= "</tr></thead>\n";
		}
		
		$out .= "<tbody>\n";
		for($row = 1; $row <= $this->rowcount ( $sheet ); $row ++) {
			$rowheight = $this->rowheight ( $row, $sheet );
			$style = "height:" . ($rowheight * (4 / 3)) . "px;";
			if ($this->rowhidden ( $row, $sheet )) {
				$style .= "display:none;";
			}
			$out .= "\n\t<tr style=\"$style\">";
			if ($row_numbers) {
				$out .= "\n\t\t<th>$row</th>";
			}
			for($col = 1; $col <= $this->colcount ( $sheet ); $col ++) {
				// Account for Rowspans/Colspans
				$rowspan = $this->rowspan ( $row, $col, $sheet );
				$colspan = $this->colspan ( $row, $col, $sheet );
				for($i = 0; $i < $rowspan; $i ++) {
					for($j = 0; $j < $colspan; $j ++) {
						if ($i > 0 || $j > 0) {
							$this->sheets [$sheet] ['cellsInfo'] [$row + $i] [$col + $j] ['dontprint'] = 1;
						}
					}
				}
				if (! $this->sheets [$sheet] ['cellsInfo'] [$row] [$col] ['dontprint']) {
					$style = $this->style ( $row, $col, $sheet );
					if ($this->colhidden ( $col, $sheet )) {
						$style .= "display:none;";
					}
					$out .= "\n\t\t<td style=\"$style\"" . ($colspan > 1 ? " colspan=$colspan" : "") . ($rowspan > 1 ? " rowspan=$rowspan" : "") . ">";
					$val = $this->val ( $row, $col, $sheet );
					if ($val == '') {
						$val = "&nbsp;";
					} else {
						$val = htmlentities ( $val, ENT_COMPAT, $this->_defaultEncoding );
						$link = $this->hyperlink ( $row, $col, $sheet );
						if ($link != '') {
							$val = "<a href=\"$link\">$val</a>";
						}
					}
					$out .= "<nobr>" . nl2br ( $val ) . "</nobr>";
					$out .= "</td>";
				}
			}
			$out .= "</tr>\n";
		}
		$out .= "</tbody></table>";
		return $out;
	}
	
	// --------------
	// END PUBLIC API
	

	var $boundsheets = array ();
	var $formatRecords = array ();
	var $fontRecords = array ();
	var $xfRecords = array ();
	var $colInfo = array ();
	var $rowInfo = array ();
	
	var $sst = array ();
	var $sheets = array ();
	
	var $data;
	var $_ole;
	var $_defaultEncoding = "UTF-8";
	var $_defaultFormat = SPREADSHEET_EXCEL_READER_DEF_NUM_FORMAT;
	var $_columnsFormat = array ();
	var $_rowoffset = 1;
	var $_coloffset = 1;
	
	/**
	 * List of default date formats used by Excel
	 */
	var $dateFormats = array (0xe => "m/d/Y", 0xf => "M-d-Y", 0x10 => "d-M", 0x11 => "M-Y", 0x12 => "h:i a", 0x13 => "h:i:s a", 0x14 => "H:i", 0x15 => "H:i:s", 0x16 => "d/m/Y H:i", 0x2d => "i:s", 0x2e => "H:i:s", 0x2f => "i:s.S" );
	
	/**
	 * Default number formats used by Excel
	 */
	var $numberFormats = array (0x1 => "0", 0x2 => "0.00", 0x3 => "#,##0", 0x4 => "#,##0.00", 0x5 => "\$#,##0;(\$#,##0)", 0x6 => "\$#,##0;[Red](\$#,##0)", 0x7 => "\$#,##0.00;(\$#,##0.00)", 0x8 => "\$#,##0.00;[Red](\$#,##0.00)", 0x9 => "0%", 0xa => "0.00%", 0xb => "0.00E+00", 0x25 => "#,##0;(#,##0)", 0x26 => "#,##0;[Red](#,##0)", 0x27 => "#,##0.00;(#,##0.00)", 0x28 => "#,##0.00;[Red](#,##0.00)", 0x29 => "#,##0;(#,##0)", // Not exactly
0x2a => "\$#,##0;(\$#,##0)", // Not exactly
0x2b => "#,##0.00;(#,##0.00)", // Not exactly
0x2c => "\$#,##0.00;(\$#,##0.00)", // Not exactly
0x30 => "##0.0E+0" );
	
	var $colors = Array (0x00 => "#000000", 0x01 => "#FFFFFF", 0x02 => "#FF0000", 0x03 => "#00FF00", 0x04 => "#0000FF", 0x05 => "#FFFF00", 0x06 => "#FF00FF", 0x07 => "#00FFFF", 0x08 => "#000000", 0x09 => "#FFFFFF", 0x0A => "#FF0000", 0x0B => "#00FF00", 0x0C => "#0000FF", 0x0D => "#FFFF00", 0x0E => "#FF00FF", 0x0F => "#00FFFF", 0x10 => "#800000", 0x11 => "#008000", 0x12 => "#000080", 0x13 => "#808000", 0x14 => "#800080", 0x15 => "#008080", 0x16 => "#C0C0C0", 0x17 => "#808080", 0x18 => "#9999FF", 0x19 => "#993366", 0x1A => "#FFFFCC", 0x1B => "#CCFFFF", 0x1C => "#660066", 0x1D => "#FF8080", 0x1E => "#0066CC", 0x1F => "#CCCCFF", 0x20 => "#000080", 0x21 => "#FF00FF", 0x22 => "#FFFF00", 0x23 => "#00FFFF", 0x24 => "#800080", 0x25 => "#800000", 0x26 => "#008080", 0x27 => "#0000FF", 0x28 => "#00CCFF", 0x29 => "#CCFFFF", 0x2A => "#CCFFCC", 0x2B => "#FFFF99", 0x2C => "#99CCFF", 0x2D => "#FF99CC", 0x2E => "#CC99FF", 0x2F => "#FFCC99", 0x30 => "#3366FF", 0x31 => "#33CCCC", 0x32 => "#99CC00", 0x33 => "#FFCC00", 0x34 => "#FF9900", 0x35 => "#FF6600", 0x36 => "#666699", 0x37 => "#969696", 0x38 => "#003366", 0x39 => "#339966", 0x3A => "#003300", 0x3B => "#333300", 0x3C => "#993300", 0x3D => "#993366", 0x3E => "#333399", 0x3F => "#333333", 0x40 => "#000000", 0x41 => "#FFFFFF", 

	0x43 => "#000000", 0x4D => "#000000", 0x4E => "#FFFFFF", 0x4F => "#000000", 0x50 => "#FFFFFF", 0x51 => "#000000", 

	0x7FFF => "#000000" );
	
	var $lineStyles = array (0x00 => "", 0x01 => "Thin", 0x02 => "Medium", 0x03 => "Dashed", 0x04 => "Dotted", 0x05 => "Thick", 0x06 => "Double", 0x07 => "Hair", 0x08 => "Medium dashed", 0x09 => "Thin dash-dotted", 0x0A => "Medium dash-dotted", 0x0B => "Thin dash-dot-dotted", 0x0C => "Medium dash-dot-dotted", 0x0D => "Slanted medium dash-dotted" );
	
	var $lineStylesCss = array ("Thin" => "1px solid", "Medium" => "2px solid", "Dashed" => "1px dashed", "Dotted" => "1px dotted", "Thick" => "3px solid", "Double" => "double", "Hair" => "1px solid", "Medium dashed" => "2px dashed", "Thin dash-dotted" => "1px dashed", "Medium dash-dotted" => "2px dashed", "Thin dash-dot-dotted" => "1px dashed", "Medium dash-dot-dotted" => "2px dashed", "Slanted medium dash-dotte" => "2px dashed" );
	
	function read16bitstring($data, $start) {
		$len = 0;
		while ( ord ( $data [$start + $len] ) + ord ( $data [$start + $len + 1] ) > 0 )
			$len ++;
		return substr ( $data, $start, $len );
	}
	
	// ADDED by Matt Kruse for better formatting
	function _format_value($format, $num, $f) {
		// 49==TEXT format
		// http://code.google.com/p/php-excel-reader/issues/detail?id=7
		if ((! $f && $format == "%s") || ($f == 49) || ($format == "GENERAL")) {
			return array ('string' => $num, 'formatColor' => null );
		}
		
		// Custom pattern can be POSITIVE;NEGATIVE;ZERO
		// The "text" option as 4th parameter is not handled
		$parts = explode ( ";", $format );
		$pattern = $parts [0];
		// Negative pattern
		if (count ( $parts ) > 2 && $num == 0) {
			$pattern = $parts [2];
		}
		// Zero pattern
		if (count ( $parts ) > 1 && $num < 0) {
			$pattern = $parts [1];
			$num = abs ( $num );
		}
		
		$color = "";
		$matches = array ();
		$color_regex = "/^\[(BLACK|BLUE|CYAN|GREEN|MAGENTA|RED|WHITE|YELLOW)\]/i";
		if (preg_match ( $color_regex, $pattern, $matches )) {
			$color = strtolower ( $matches [1] );
			$pattern = preg_replace ( $color_regex, "", $pattern );
		}
		
		// In Excel formats, "_" is used to add spacing, which we can't do in HTML
		$pattern = preg_replace ( "/_./", "", $pattern );
		
		// Some non-number characters are escaped with \, which we don't need
		$pattern = preg_replace ( "/\\\/", "", $pattern );
		
		// Some non-number strings are quoted, so we'll get rid of the quotes
		$pattern = preg_replace ( "/\"/", "", $pattern );
		
		// TEMPORARY - Convert # to 0
		$pattern = preg_replace ( "/\#/", "0", $pattern );
		
		// Find out if we need comma formatting
		$has_commas = preg_match ( "/,/", $pattern );
		if ($has_commas) {
			$pattern = preg_replace ( "/,/", "", $pattern );
		}
		
		// Handle Percentages
		if (preg_match ( "/\d(\%)([^\%]|$)/", $pattern, $matches )) {
			$num = $num * 100;
			$pattern = preg_replace ( "/(\d)(\%)([^\%]|$)/", "$1%$3", $pattern );
		}
		
		// Handle the number itself
		$number_regex = "/(\d+)(\.?)(\d*)/";
		if (preg_match ( $number_regex, $pattern, $matches )) {
			$left = $matches [1];
			$dec = $matches [2];
			$right = $matches [3];
			if ($has_commas) {
				$formatted = number_format ( $num, strlen ( $right ) );
			} else {
				$sprintf_pattern = "%1." . strlen ( $right ) . "f";
				$formatted = sprintf ( $sprintf_pattern, $num );
			}
			$pattern = preg_replace ( $number_regex, $formatted, $pattern );
		}
		
		return array ('string' => $pattern, 'formatColor' => $color );
	}
	
	/**
	 * Constructor
	 *
	 * Some basic initialisation
	 */
	function Spreadsheet_Excel_Reader($file = '', $store_extended_info = true, $outputEncoding = '') {
		$this->_ole = new OLERead ( );
		$this->setUTFEncoder ( 'iconv' );
		if ($outputEncoding != '') {
			$this->setOutputEncoding ( $outputEncoding );
		}
		for($i = 1; $i < 245; $i ++) {
			$name = strtolower ( ((($i - 1) / 26 >= 1) ? chr ( ($i - 1) / 26 + 64 ) : '') . chr ( ($i - 1) % 26 + 65 ) );
			$this->colnames [$name] = $i;
			$this->colindexes [$i] = $name;
		}
		$this->store_extended_info = $store_extended_info;
		if ($file != "") {
			$this->read ( $file );
		}
	}
	
	/**
	 * Set the encoding method
	 */
	function setOutputEncoding($encoding) {
		$this->_defaultEncoding = $encoding;
	}
	
	/**
	 *  $encoder = 'iconv' or 'mb'
	 *  set iconv if you would like use 'iconv' for encode UTF-16LE to your encoding
	 *  set mb if you would like use 'mb_convert_encoding' for encode UTF-16LE to your encoding
	 */
	function setUTFEncoder($encoder = 'iconv') {
		$this->_encoderFunction = '';
		if ($encoder == 'iconv') {
			$this->_encoderFunction = function_exists ( 'iconv' ) ? 'iconv' : '';
		} elseif ($encoder == 'mb') {
			$this->_encoderFunction = function_exists ( 'mb_convert_encoding' ) ? 'mb_convert_encoding' : '';
		}
	}
	
	function setRowColOffset($iOffset) {
		$this->_rowoffset = $iOffset;
		$this->_coloffset = $iOffset;
	}
	
	/**
	 * Set the default number format
	 */
	function setDefaultFormat($sFormat) {
		$this->_defaultFormat = $sFormat;
	}
	
	/**
	 * Force a column to use a certain format
	 */
	function setColumnFormat($column, $sFormat) {
		$this->_columnsFormat [$column] = $sFormat;
	}
	
	/**
	 * Read the spreadsheet file using OLE, then parse
	 */
	function read($sFileName) {
		$res = $this->_ole->read ( $sFileName );
		
		// oops, something goes wrong (Darko Miljanovic)
		if ($res === false) {
			// check error code
			if ($this->_ole->error == 1) {
				// bad file
				die ( 'The filename ' . $sFileName . ' is not readable' );
			}
			// check other error codes here (eg bad fileformat, etc...)
		}
		$this->data = $this->_ole->getWorkBook ();
		$this->_parse ();
	}
	
	/**
	 * Parse a workbook
	 *
	 * @access private
	 * @return bool
	 */
	function _parse() {
		$pos = 0;
		$data = $this->data;
		
		$code = v ( $data, $pos );
		$length = v ( $data, $pos + 2 );
		$version = v ( $data, $pos + 4 );
		$substreamType = v ( $data, $pos + 6 );
		
		$this->version = $version;
		
		if (($version != SPREADSHEET_EXCEL_READER_BIFF8) && ($version != SPREADSHEET_EXCEL_READER_BIFF7)) {
			return false;
		}
		
		if ($substreamType != SPREADSHEET_EXCEL_READER_WORKBOOKGLOBALS) {
			return false;
		}
		
		$pos += $length + 4;
		
		$code = v ( $data, $pos );
		$length = v ( $data, $pos + 2 );
		
		while ( $code != SPREADSHEET_EXCEL_READER_TYPE_EOF ) {
			switch ($code) {
				case SPREADSHEET_EXCEL_READER_TYPE_SST :
					$spos = $pos + 4;
					$limitpos = $spos + $length;
					$uniqueStrings = $this->_GetInt4d ( $data, $spos + 4 );
					$spos += 8;
					for($i = 0; $i < $uniqueStrings; $i ++) {
						// Read in the number of characters
						if ($spos == $limitpos) {
							$opcode = v ( $data, $spos );
							$conlength = v ( $data, $spos + 2 );
							if ($opcode != 0x3c) {
								return - 1;
							}
							$spos += 4;
							$limitpos = $spos + $conlength;
						}
						$numChars = ord ( $data [$spos] ) | (ord ( $data [$spos + 1] ) << 8);
						$spos += 2;
						$optionFlags = ord ( $data [$spos] );
						$spos ++;
						$asciiEncoding = (($optionFlags & 0x01) == 0);
						$extendedString = (($optionFlags & 0x04) != 0);
						
						// See if string contains formatting information
						$richString = (($optionFlags & 0x08) != 0);
						
						if ($richString) {
							// Read in the crun
							$formattingRuns = v ( $data, $spos );
							$spos += 2;
						}
						
						if ($extendedString) {
							// Read in cchExtRst
							$extendedRunLength = $this->_GetInt4d ( $data, $spos );
							$spos += 4;
						}
						
						$len = ($asciiEncoding) ? $numChars : $numChars * 2;
						if ($spos + $len < $limitpos) {
							$retstr = substr ( $data, $spos, $len );
							$spos += $len;
						} else {
							// found countinue
							$retstr = substr ( $data, $spos, $limitpos - $spos );
							$bytesRead = $limitpos - $spos;
							$charsLeft = $numChars - (($asciiEncoding) ? $bytesRead : ($bytesRead / 2));
							$spos = $limitpos;
							
							while ( $charsLeft > 0 ) {
								$opcode = v ( $data, $spos );
								$conlength = v ( $data, $spos + 2 );
								if ($opcode != 0x3c) {
									return - 1;
								}
								$spos += 4;
								$limitpos = $spos + $conlength;
								$option = ord ( $data [$spos] );
								$spos += 1;
								if ($asciiEncoding && ($option == 0)) {
									$len = min ( $charsLeft, $limitpos - $spos ); // min($charsLeft, $conlength);
									$retstr .= substr ( $data, $spos, $len );
									$charsLeft -= $len;
									$asciiEncoding = true;
								} elseif (! $asciiEncoding && ($option != 0)) {
									$len = min ( $charsLeft * 2, $limitpos - $spos ); // min($charsLeft, $conlength);
									$retstr .= substr ( $data, $spos, $len );
									$charsLeft -= $len / 2;
									$asciiEncoding = false;
								} elseif (! $asciiEncoding && ($option == 0)) {
									// Bummer - the string starts off as Unicode, but after the
									// continuation it is in straightforward ASCII encoding
									$len = min ( $charsLeft, $limitpos - $spos ); // min($charsLeft, $conlength);
									for($j = 0; $j < $len; $j ++) {
										$retstr .= $data [$spos + $j] . chr ( 0 );
									}
									$charsLeft -= $len;
									$asciiEncoding = false;
								} else {
									$newstr = '';
									for($j = 0; $j < strlen ( $retstr ); $j ++) {
										$newstr = $retstr [$j] . chr ( 0 );
									}
									$retstr = $newstr;
									$len = min ( $charsLeft * 2, $limitpos - $spos ); // min($charsLeft, $conlength);
									$retstr .= substr ( $data, $spos, $len );
									$charsLeft -= $len / 2;
									$asciiEncoding = false;
								}
								$spos += $len;
							}
						}
						if ($asciiEncoding)
							$retstr = preg_replace ( "/(.)/s", "$1\0", $retstr );
						$retstr = $this->_encodeUTF16 ( $retstr );
						
						if ($richString) {
							$spos += 4 * $formattingRuns;
						}
						
						// For extended strings, skip over the extended string data
						if ($extendedString) {
							$spos += $extendedRunLength;
						}
						$this->sst [] = $retstr;
					}
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_FILEPASS :
					return false;
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_NAME :
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_FORMAT :
					$indexCode = v ( $data, $pos + 4 );
					if ($version == SPREADSHEET_EXCEL_READER_BIFF8) {
						$numchars = v ( $data, $pos + 6 );
						if (ord ( $data [$pos + 8] ) == 0) {
							$formatString = substr ( $data, $pos + 9, $numchars );
						} else {
							$formatString = substr ( $data, $pos + 9, $numchars * 2 );
						}
					} else {
						$numchars = ord ( $data [$pos + 6] );
						$formatString = substr ( $data, $pos + 7, $numchars * 2 );
					}
					$this->formatRecords [$indexCode] = $formatString;
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_FONT :
					$height = v ( $data, $pos + 4 );
					$option = v ( $data, $pos + 6 );
					$color = v ( $data, $pos + 8 );
					$weight = v ( $data, $pos + 10 );
					$under = ord ( $data [$pos + 14] );
					$font = "";
					// Font name
					$numchars = ord ( $data [$pos + 18] );
					if ((ord ( $data [$pos + 19] ) & 1) == 0) {
						$font = substr ( $data, $pos + 20, $numchars );
					} else {
						$font = substr ( $data, $pos + 20, $numchars * 2 );
						$font = $this->_encodeUTF16 ( $font );
					}
					$this->fontRecords [] = array ('height' => $height / 20, 'italic' => ! ! ($option & 2), 'color' => $color, 'under' => ! ($under == 0), 'bold' => ($weight == 700), 'font' => $font, 'raw' => $this->dumpHexData ( $data, $pos + 3, $length ) );
					break;
				
				case SPREADSHEET_EXCEL_READER_TYPE_PALETTE :
					$colors = ord ( $data [$pos + 4] ) | ord ( $data [$pos + 5] ) << 8;
					for($coli = 0; $coli < $colors; $coli ++) {
						$colOff = $pos + 2 + ($coli * 4);
						$colr = ord ( $data [$colOff] );
						$colg = ord ( $data [$colOff + 1] );
						$colb = ord ( $data [$colOff + 2] );
						$this->colors [0x07 + $coli] = '#' . $this->myhex ( $colr ) . $this->myhex ( $colg ) . $this->myhex ( $colb );
					}
					break;
				
				case SPREADSHEET_EXCEL_READER_TYPE_XF :
					$fontIndexCode = (ord ( $data [$pos + 4] ) | ord ( $data [$pos + 5] ) << 8) - 1;
					$fontIndexCode = max ( 0, $fontIndexCode );
					$indexCode = ord ( $data [$pos + 6] ) | ord ( $data [$pos + 7] ) << 8;
					$alignbit = ord ( $data [$pos + 10] ) & 3;
					$bgi = (ord ( $data [$pos + 22] ) | ord ( $data [$pos + 23] ) << 8) & 0x3FFF;
					$bgcolor = ($bgi & 0x7F);
					//						$bgcolor = ($bgi & 0x3f80) >> 7;
					$align = "";
					if ($alignbit == 3) {
						$align = "right";
					}
					if ($alignbit == 2) {
						$align = "center";
					}
					
					$fillPattern = (ord ( $data [$pos + 21] ) & 0xFC) >> 2;
					if ($fillPattern == 0) {
						$bgcolor = "";
					}
					
					$xf = array ();
					$xf ['formatIndex'] = $indexCode;
					$xf ['align'] = $align;
					$xf ['fontIndex'] = $fontIndexCode;
					$xf ['bgColor'] = $bgcolor;
					$xf ['fillPattern'] = $fillPattern;
					
					$border = ord ( $data [$pos + 14] ) | (ord ( $data [$pos + 15] ) << 8) | (ord ( $data [$pos + 16] ) << 16) | (ord ( $data [$pos + 17] ) << 24);
					$xf ['borderLeft'] = $this->lineStyles [($border & 0xF)];
					$xf ['borderRight'] = $this->lineStyles [($border & 0xF0) >> 4];
					$xf ['borderTop'] = $this->lineStyles [($border & 0xF00) >> 8];
					$xf ['borderBottom'] = $this->lineStyles [($border & 0xF000) >> 12];
					
					$xf ['borderLeftColor'] = ($border & 0x7F0000) >> 16;
					$xf ['borderRightColor'] = ($border & 0x3F800000) >> 23;
					$border = (ord ( $data [$pos + 18] ) | ord ( $data [$pos + 19] ) << 8);
					
					$xf ['borderTopColor'] = ($border & 0x7F);
					$xf ['borderBottomColor'] = ($border & 0x3F80) >> 7;
					
					if (array_key_exists ( $indexCode, $this->dateFormats )) {
						$xf ['type'] = 'date';
						$xf ['format'] = $this->dateFormats [$indexCode];
						if ($align == '') {
							$xf ['align'] = 'right';
						}
					} elseif (array_key_exists ( $indexCode, $this->numberFormats )) {
						$xf ['type'] = 'number';
						$xf ['format'] = $this->numberFormats [$indexCode];
						if ($align == '') {
							$xf ['align'] = 'right';
						}
					} else {
						$isdate = FALSE;
						$formatstr = '';
						if ($indexCode > 0) {
							if (isset ( $this->formatRecords [$indexCode] ))
								$formatstr = $this->formatRecords [$indexCode];
							if ($formatstr != "") {
								$tmp = preg_replace ( "/\;.*/", "", $formatstr );
								$tmp = preg_replace ( "/^\[[^\]]*\]/", "", $tmp );
								if (preg_match ( "/[^hmsday\/\-:\s\\\,AMP]/i", $tmp ) == 0) { // found day and time format
									$isdate = TRUE;
									$formatstr = $tmp;
									$formatstr = str_replace ( array ('AM/PM', 'mmmm', 'mmm' ), array ('a', 'F', 'M' ), $formatstr );
									// m/mm are used for both minutes and months - oh SNAP!
									// This mess tries to fix for that.
									// 'm' == minutes only if following h/hh or preceding s/ss
									$formatstr = preg_replace ( "/(h:?)mm?/", "$1i", $formatstr );
									$formatstr = preg_replace ( "/mm?(:?s)/", "i$1", $formatstr );
									// A single 'm' = n in PHP
									$formatstr = preg_replace ( "/(^|[^m])m([^m]|$)/", '$1n$2', $formatstr );
									$formatstr = preg_replace ( "/(^|[^m])m([^m]|$)/", '$1n$2', $formatstr );
									// else it's months
									$formatstr = str_replace ( 'mm', 'm', $formatstr );
									// Convert single 'd' to 'j'
									$formatstr = preg_replace ( "/(^|[^d])d([^d]|$)/", '$1j$2', $formatstr );
									$formatstr = str_replace ( array ('dddd', 'ddd', 'dd', 'yyyy', 'yy', 'hh', 'h' ), array ('l', 'D', 'd', 'Y', 'y', 'H', 'g' ), $formatstr );
									$formatstr = preg_replace ( "/ss?/", 's', $formatstr );
								}
							}
						}
						if ($isdate) {
							$xf ['type'] = 'date';
							$xf ['format'] = $formatstr;
							if ($align == '') {
								$xf ['align'] = 'right';
							}
						} else {
							// If the format string has a 0 or # in it, we'll assume it's a number
							if (preg_match ( "/[0#]/", $formatstr )) {
								$xf ['type'] = 'number';
								if ($align == '') {
									$xf ['align'] = 'right';
								}
							} else {
								$xf ['type'] = 'other';
							}
							$xf ['format'] = $formatstr;
							$xf ['code'] = $indexCode;
						}
					}
					$this->xfRecords [] = $xf;
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_NINETEENFOUR :
					$this->nineteenFour = (ord ( $data [$pos + 4] ) == 1);
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_BOUNDSHEET :
					$rec_offset = $this->_GetInt4d ( $data, $pos + 4 );
					$rec_typeFlag = ord ( $data [$pos + 8] );
					$rec_visibilityFlag = ord ( $data [$pos + 9] );
					$rec_length = ord ( $data [$pos + 10] );
					
					if ($version == SPREADSHEET_EXCEL_READER_BIFF8) {
						$chartype = ord ( $data [$pos + 11] );
						if ($chartype == 0) {
							$rec_name = substr ( $data, $pos + 12, $rec_length );
						} else {
							$rec_name = $this->_encodeUTF16 ( substr ( $data, $pos + 12, $rec_length * 2 ) );
						}
					} elseif ($version == SPREADSHEET_EXCEL_READER_BIFF7) {
						$rec_name = substr ( $data, $pos + 11, $rec_length );
					}
					$this->boundsheets [] = array ('name' => $rec_name, 'offset' => $rec_offset );
					break;
			
			}
			
			$pos += $length + 4;
			$code = ord ( $data [$pos] ) | ord ( $data [$pos + 1] ) << 8;
			$length = ord ( $data [$pos + 2] ) | ord ( $data [$pos + 3] ) << 8;
		}
		
		foreach ( $this->boundsheets as $key => $val ) {
			$this->sn = $key;
			$this->_parsesheet ( $val ['offset'] );
		}
		return true;
	}
	
	/**
	 * Parse a worksheet
	 */
	function _parsesheet($spos) {
		$cont = true;
		$data = $this->data;
		// read BOF
		$code = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
		$length = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
		
		$version = ord ( $data [$spos + 4] ) | ord ( $data [$spos + 5] ) << 8;
		$substreamType = ord ( $data [$spos + 6] ) | ord ( $data [$spos + 7] ) << 8;
		
		if (($version != SPREADSHEET_EXCEL_READER_BIFF8) && ($version != SPREADSHEET_EXCEL_READER_BIFF7)) {
			return - 1;
		}
		
		if ($substreamType != SPREADSHEET_EXCEL_READER_WORKSHEET) {
			return - 2;
		}
		$spos += $length + 4;
		while ( $cont ) {
			$lowcode = ord ( $data [$spos] );
			if ($lowcode == SPREADSHEET_EXCEL_READER_TYPE_EOF)
				break;
			$code = $lowcode | ord ( $data [$spos + 1] ) << 8;
			$length = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
			$spos += 4;
			$this->sheets [$this->sn] ['maxrow'] = $this->_rowoffset - 1;
			$this->sheets [$this->sn] ['maxcol'] = $this->_coloffset - 1;
			unset ( $this->rectype );
			switch ($code) {
				case SPREADSHEET_EXCEL_READER_TYPE_DIMENSION :
					if (! isset ( $this->numRows )) {
						if (($length == 10) || ($version == SPREADSHEET_EXCEL_READER_BIFF7)) {
							$this->sheets [$this->sn] ['numRows'] = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
							$this->sheets [$this->sn] ['numCols'] = ord ( $data [$spos + 6] ) | ord ( $data [$spos + 7] ) << 8;
						} else {
							$this->sheets [$this->sn] ['numRows'] = ord ( $data [$spos + 4] ) | ord ( $data [$spos + 5] ) << 8;
							$this->sheets [$this->sn] ['numCols'] = ord ( $data [$spos + 10] ) | ord ( $data [$spos + 11] ) << 8;
						}
					}
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_MERGEDCELLS :
					$cellRanges = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					for($i = 0; $i < $cellRanges; $i ++) {
						$fr = ord ( $data [$spos + 8 * $i + 2] ) | ord ( $data [$spos + 8 * $i + 3] ) << 8;
						$lr = ord ( $data [$spos + 8 * $i + 4] ) | ord ( $data [$spos + 8 * $i + 5] ) << 8;
						$fc = ord ( $data [$spos + 8 * $i + 6] ) | ord ( $data [$spos + 8 * $i + 7] ) << 8;
						$lc = ord ( $data [$spos + 8 * $i + 8] ) | ord ( $data [$spos + 8 * $i + 9] ) << 8;
						if ($lr - $fr > 0) {
							$this->sheets [$this->sn] ['cellsInfo'] [$fr + 1] [$fc + 1] ['rowspan'] = $lr - $fr + 1;
						}
						if ($lc - $fc > 0) {
							$this->sheets [$this->sn] ['cellsInfo'] [$fr + 1] [$fc + 1] ['colspan'] = $lc - $fc + 1;
						}
					}
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_RK :
				case SPREADSHEET_EXCEL_READER_TYPE_RK2 :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$column = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					$rknum = $this->_GetInt4d ( $data, $spos + 6 );
					$numValue = $this->_GetIEEE754 ( $rknum );
					$info = $this->_getCellDetails ( $spos, $numValue, $column );
					$this->addcell ( $row, $column, $info ['string'], $info );
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_LABELSST :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$column = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					$xfindex = ord ( $data [$spos + 4] ) | ord ( $data [$spos + 5] ) << 8;
					$index = $this->_GetInt4d ( $data, $spos + 6 );
					$this->addcell ( $row, $column, $this->sst [$index], array ('xfIndex' => $xfindex ) );
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_MULRK :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$colFirst = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					$colLast = ord ( $data [$spos + $length - 2] ) | ord ( $data [$spos + $length - 1] ) << 8;
					$columns = $colLast - $colFirst + 1;
					$tmppos = $spos + 4;
					for($i = 0; $i < $columns; $i ++) {
						$numValue = $this->_GetIEEE754 ( $this->_GetInt4d ( $data, $tmppos + 2 ) );
						$info = $this->_getCellDetails ( $tmppos - 4, $numValue, $colFirst + $i + 1 );
						$tmppos += 6;
						$this->addcell ( $row, $colFirst + $i, $info ['string'], $info );
					}
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_NUMBER :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$column = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					$tmp = unpack ( "ddouble", substr ( $data, $spos + 6, 8 ) ); // It machine machine dependent
					if ($this->isDate ( $spos )) {
						$numValue = $tmp ['double'];
					} else {
						$numValue = $this->createNumber ( $spos );
					}
					$info = $this->_getCellDetails ( $spos, $numValue, $column );
					$this->addcell ( $row, $column, $info ['string'], $info );
					break;
				
				case SPREADSHEET_EXCEL_READER_TYPE_FORMULA :
				case SPREADSHEET_EXCEL_READER_TYPE_FORMULA2 :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$column = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					if ((ord ( $data [$spos + 6] ) == 0) && (ord ( $data [$spos + 12] ) == 255) && (ord ( $data [$spos + 13] ) == 255)) {
						//String formula. Result follows in a STRING record
						// This row/col are stored to be referenced in that record
						// http://code.google.com/p/php-excel-reader/issues/detail?id=4
						$previousRow = $row;
						$previousCol = $column;
					} elseif ((ord ( $data [$spos + 6] ) == 1) && (ord ( $data [$spos + 12] ) == 255) && (ord ( $data [$spos + 13] ) == 255)) {
						//Boolean formula. Result is in +2; 0=false,1=true
						// http://code.google.com/p/php-excel-reader/issues/detail?id=4
						if (ord ( $this->data [$spos + 8] ) == 1) {
							$this->addcell ( $row, $column, "TRUE" );
						} else {
							$this->addcell ( $row, $column, "FALSE" );
						}
					} elseif ((ord ( $data [$spos + 6] ) == 2) && (ord ( $data [$spos + 12] ) == 255) && (ord ( $data [$spos + 13] ) == 255)) {
						//Error formula. Error code is in +2;
					} elseif ((ord ( $data [$spos + 6] ) == 3) && (ord ( $data [$spos + 12] ) == 255) && (ord ( $data [$spos + 13] ) == 255)) {
						//Formula result is a null string.
						$this->addcell ( $row, $column, '' );
					} else {
						// result is a number, so first 14 bytes are just like a _NUMBER record
						$tmp = unpack ( "ddouble", substr ( $data, $spos + 6, 8 ) ); // It machine machine dependent
						if ($this->isDate ( $spos )) {
							$numValue = $tmp ['double'];
						} else {
							$numValue = $this->createNumber ( $spos );
						}
						$info = $this->_getCellDetails ( $spos, $numValue, $column );
						$this->addcell ( $row, $column, $info ['string'], $info );
					}
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_BOOLERR :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$column = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					$string = ord ( $data [$spos + 6] );
					$this->addcell ( $row, $column, $string );
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_STRING :
					// http://code.google.com/p/php-excel-reader/issues/detail?id=4
					if ($version == SPREADSHEET_EXCEL_READER_BIFF8) {
						// Unicode 16 string, like an SST record
						$xpos = $spos;
						$numChars = ord ( $data [$xpos] ) | (ord ( $data [$xpos + 1] ) << 8);
						$xpos += 2;
						$optionFlags = ord ( $data [$xpos] );
						$xpos ++;
						$asciiEncoding = (($optionFlags & 0x01) == 0);
						$extendedString = (($optionFlags & 0x04) != 0);
						// See if string contains formatting information
						$richString = (($optionFlags & 0x08) != 0);
						if ($richString) {
							// Read in the crun
							$formattingRuns = ord ( $data [$xpos] ) | (ord ( $data [$xpos + 1] ) << 8);
							$xpos += 2;
						}
						if ($extendedString) {
							// Read in cchExtRst
							$extendedRunLength = $this->_GetInt4d ( $this->data, $xpos );
							$xpos += 4;
						}
						$len = ($asciiEncoding) ? $numChars : $numChars * 2;
						$retstr = substr ( $data, $xpos, $len );
						$xpos += $len;
						if ($asciiEncoding)
							$retstr = preg_replace ( "/(.)/s", "$1\0", $retstr );
						$retstr = $this->_encodeUTF16 ( $retstr );
					} elseif ($version == SPREADSHEET_EXCEL_READER_BIFF7) {
						// Simple byte string
						$xpos = $spos;
						$numChars = ord ( $data [$xpos] ) | (ord ( $data [$xpos + 1] ) << 8);
						$xpos += 2;
						$retstr = substr ( $data, $xpos, $numChars );
					}
					$this->addcell ( $previousRow, $previousCol, $retstr );
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_ROW :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$rowInfo = ord ( $data [$spos + 6] ) | ((ord ( $data [$spos + 7] ) << 8) & 0x7FFF);
					if (($rowInfo & 0x8000) > 0) {
						$rowHeight = - 1;
					} else {
						$rowHeight = $rowInfo & 0x7FFF;
					}
					$rowHidden = (ord ( $data [$spos + 12] ) & 0x20) >> 5;
					$this->rowInfo [$this->sn] [$row + 1] = Array ('height' => $rowHeight / 20, 'hidden' => $rowHidden );
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_DBCELL :
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_MULBLANK :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$column = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					$cols = ($length / 2) - 3;
					for($c = 0; $c < $cols; $c ++) {
						$xfindex = ord ( $data [$spos + 4 + ($c * 2)] ) | ord ( $data [$spos + 5 + ($c * 2)] ) << 8;
						$this->addcell ( $row, $column + $c, "", array ('xfIndex' => $xfindex ) );
					}
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_LABEL :
					$row = ord ( $data [$spos] ) | ord ( $data [$spos + 1] ) << 8;
					$column = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					$this->addcell ( $row, $column, substr ( $data, $spos + 8, ord ( $data [$spos + 6] ) | ord ( $data [$spos + 7] ) << 8 ) );
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_EOF :
					$cont = false;
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_HYPER :
					//  Only handle hyperlinks to a URL
					$row = ord ( $this->data [$spos] ) | ord ( $this->data [$spos + 1] ) << 8;
					$row2 = ord ( $this->data [$spos + 2] ) | ord ( $this->data [$spos + 3] ) << 8;
					$column = ord ( $this->data [$spos + 4] ) | ord ( $this->data [$spos + 5] ) << 8;
					$column2 = ord ( $this->data [$spos + 6] ) | ord ( $this->data [$spos + 7] ) << 8;
					$linkdata = Array ();
					$flags = ord ( $this->data [$spos + 28] );
					$udesc = "";
					$ulink = "";
					$uloc = 32;
					$linkdata ['flags'] = $flags;
					if (($flags & 1) > 0) { // is a type we understand
						//  is there a description ?
						if (($flags & 0x14) == 0x14) { // has a description
							$uloc += 4;
							$descLen = ord ( $this->data [$spos + 32] ) | ord ( $this->data [$spos + 33] ) << 8;
							$udesc = substr ( $this->data, $spos + $uloc, $descLen * 2 );
							$uloc += 2 * $descLen;
						}
						$ulink = $this->read16bitstring ( $this->data, $spos + $uloc + 20 );
						if ($udesc == "") {
							$udesc = $ulink;
						}
					}
					$linkdata ['desc'] = $udesc;
					$linkdata ['link'] = $this->_encodeUTF16 ( $ulink );
					for($r = $row; $r <= $row2; $r ++) {
						for($c = $column; $c <= $column2; $c ++) {
							$this->sheets [$this->sn] ['cellsInfo'] [$r + 1] [$c + 1] ['hyperlink'] = $linkdata;
						}
					}
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_DEFCOLWIDTH :
					$this->defaultColWidth = ord ( $data [$spos + 4] ) | ord ( $data [$spos + 5] ) << 8;
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_STANDARDWIDTH :
					$this->standardColWidth = ord ( $data [$spos + 4] ) | ord ( $data [$spos + 5] ) << 8;
					break;
				case SPREADSHEET_EXCEL_READER_TYPE_COLINFO :
					$colfrom = ord ( $data [$spos + 0] ) | ord ( $data [$spos + 1] ) << 8;
					$colto = ord ( $data [$spos + 2] ) | ord ( $data [$spos + 3] ) << 8;
					$cw = ord ( $data [$spos + 4] ) | ord ( $data [$spos + 5] ) << 8;
					$cxf = ord ( $data [$spos + 6] ) | ord ( $data [$spos + 7] ) << 8;
					$co = ord ( $data [$spos + 8] );
					for($coli = $colfrom; $coli <= $colto; $coli ++) {
						$this->colInfo [$this->sn] [$coli + 1] = Array ('width' => $cw, 'xf' => $cxf, 'hidden' => ($co & 0x01), 'collapsed' => ($co & 0x1000) >> 12 );
					}
					break;
				
				default :
					break;
			}
			$spos += $length;
		}
		
		if (! isset ( $this->sheets [$this->sn] ['numRows'] ))
			$this->sheets [$this->sn] ['numRows'] = $this->sheets [$this->sn] ['maxrow'];
		if (! isset ( $this->sheets [$this->sn] ['numCols'] ))
			$this->sheets [$this->sn] ['numCols'] = $this->sheets [$this->sn] ['maxcol'];
	}
	
	function isDate($spos) {
		$xfindex = ord ( $this->data [$spos + 4] ) | ord ( $this->data [$spos + 5] ) << 8;
		return ($this->xfRecords [$xfindex] ['type'] == 'date');
	}
	
	// Get the details for a particular cell
	function _getCellDetails($spos, $numValue, $column) {
		$xfindex = ord ( $this->data [$spos + 4] ) | ord ( $this->data [$spos + 5] ) << 8;
		$xfrecord = $this->xfRecords [$xfindex];
		$type = $xfrecord ['type'];
		
		$format = $xfrecord ['format'];
		$formatIndex = $xfrecord ['formatIndex'];
		$fontIndex = $xfrecord ['fontIndex'];
		$formatColor = "";
		$rectype = '';
		$string = '';
		$raw = '';
		
		if (isset ( $this->_columnsFormat [$column + 1] )) {
			$format = $this->_columnsFormat [$column + 1];
		}
		
		if ($type == 'date') {
			// See http://groups.google.com/group/php-excel-reader-discuss/browse_frm/thread/9c3f9790d12d8e10/f2045c2369ac79de
			$rectype = 'date';
			// Convert numeric value into a date
			$utcDays = floor ( $numValue - ($this->nineteenFour ? SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS1904 : SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS) );
			$utcValue = ($utcDays) * SPREADSHEET_EXCEL_READER_MSINADAY;
			$dateinfo = gmgetdate ( $utcValue );
			
			$raw = $numValue;
			$fractionalDay = $numValue - floor ( $numValue ) + .0000001; // The .0000001 is to fix for php/excel fractional diffs
			

			$totalseconds = floor ( SPREADSHEET_EXCEL_READER_MSINADAY * $fractionalDay );
			$secs = $totalseconds % 60;
			$totalseconds -= $secs;
			$hours = floor ( $totalseconds / (60 * 60) );
			$mins = floor ( $totalseconds / 60 ) % 60;
			$string = date ( $format, mktime ( $hours, $mins, $secs, $dateinfo ["mon"], $dateinfo ["mday"], $dateinfo ["year"] ) );
		} else if ($type == 'number') {
			$rectype = 'number';
			$formatted = $this->_format_value ( $format, $numValue, $formatIndex );
			$string = $formatted ['string'];
			$formatColor = $formatted ['formatColor'];
			$raw = $numValue;
		} else {
			if ($format == "") {
				$format = $this->_defaultFormat;
			}
			$rectype = 'unknown';
			$formatted = $this->_format_value ( $format, $numValue, $formatIndex );
			$string = $formatted ['string'];
			$formatColor = $formatted ['formatColor'];
			$raw = $numValue;
		}
		
		return array ('string' => $string, 'raw' => $raw, 'rectype' => $rectype, 'format' => $format, 'formatIndex' => $formatIndex, 'fontIndex' => $fontIndex, 'formatColor' => $formatColor, 'xfIndex' => $xfindex );
	
	}
	
	function createNumber($spos) {
		$rknumhigh = $this->_GetInt4d ( $this->data, $spos + 10 );
		$rknumlow = $this->_GetInt4d ( $this->data, $spos + 6 );
		$sign = ($rknumhigh & 0x80000000) >> 31;
		$exp = ($rknumhigh & 0x7ff00000) >> 20;
		$mantissa = (0x100000 | ($rknumhigh & 0x000fffff));
		$mantissalow1 = ($rknumlow & 0x80000000) >> 31;
		$mantissalow2 = ($rknumlow & 0x7fffffff);
		$value = $mantissa / pow ( 2, (20 - ($exp - 1023)) );
		if ($mantissalow1 != 0)
			$value += 1 / pow ( 2, (21 - ($exp - 1023)) );
		$value += $mantissalow2 / pow ( 2, (52 - ($exp - 1023)) );
		if ($sign) {
			$value = - 1 * $value;
		}
		return $value;
	}
	
	function addcell($row, $col, $string, $info = null) {
		$this->sheets [$this->sn] ['maxrow'] = max ( $this->sheets [$this->sn] ['maxrow'], $row + $this->_rowoffset );
		$this->sheets [$this->sn] ['maxcol'] = max ( $this->sheets [$this->sn] ['maxcol'], $col + $this->_coloffset );
		$this->sheets [$this->sn] ['cells'] [$row + $this->_rowoffset] [$col + $this->_coloffset] = $string;
		if ($this->store_extended_info && $info) {
			foreach ( $info as $key => $val ) {
				$this->sheets [$this->sn] ['cellsInfo'] [$row + $this->_rowoffset] [$col + $this->_coloffset] [$key] = $val;
			}
		}
	}
	
	function _GetIEEE754($rknum) {
		if (($rknum & 0x02) != 0) {
			$value = $rknum >> 2;
		} else {
			//mmp
			// I got my info on IEEE754 encoding from
			// http://research.microsoft.com/~hollasch/cgindex/coding/ieeefloat.html
			// The RK format calls for using only the most significant 30 bits of the
			// 64 bit floating point value. The other 34 bits are assumed to be 0
			// So, we use the upper 30 bits of $rknum as follows...
			$sign = ($rknum & 0x80000000) >> 31;
			$exp = ($rknum & 0x7ff00000) >> 20;
			$mantissa = (0x100000 | ($rknum & 0x000ffffc));
			$value = $mantissa / pow ( 2, (20 - ($exp - 1023)) );
			if ($sign) {
				$value = - 1 * $value;
			}
			//end of changes by mmp
		}
		if (($rknum & 0x01) != 0) {
			$value /= 100;
		}
		return $value;
	}
	
	function _encodeUTF16($string) {
		$result = $string;
		if ($this->_defaultEncoding) {
			switch ($this->_encoderFunction) {
				case 'iconv' :
					$result = iconv ( 'UTF-16LE', $this->_defaultEncoding, $string );
					break;
				case 'mb_convert_encoding' :
					$result = mb_convert_encoding ( $string, $this->_defaultEncoding, 'UTF-16LE' );
					break;
			}
		}
		return $result;
	}
	
	function _GetInt4d($data, $pos) {
		$value = ord ( $data [$pos] ) | (ord ( $data [$pos + 1] ) << 8) | (ord ( $data [$pos + 2] ) << 16) | (ord ( $data [$pos + 3] ) << 24);
		if ($value >= 4294967294) {
			$value = - 2;
		}
		return $value;
	}

}

?>